What utility have innovations in water purification systems, originally developed for the ISS, found on Earth?

Answer

Adaptation for use in remote or disaster-stricken areas.

The complex, closed-loop life support systems necessary for long-duration space missions, including their water purification components, have been successfully adapted for practical use in terrestrial settings that lack easy access to clean water, such as remote locations or disaster zones.

What utility have innovations in water purification systems, originally developed for the ISS, found on Earth?
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